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Searched refs:tail_page (Results 1 – 3 of 3) sorted by relevance

/linux/kernel/trace/
H A Dsimple_ring_buffer.c181 tail = cpu_buffer->tail_page; in simple_rb_move_tail()
199 cpu_buffer->tail_page = new_tail; in simple_rb_move_tail()
227 struct simple_buffer_page *tail = cpu_buffer->tail_page; in simple_rb_reserve_next()
297 local_set(&cpu_buffer->tail_page->page->commit, in simple_ring_buffer_commit()
298 cpu_buffer->tail_page->write); in simple_ring_buffer_commit()
349 bpage = cpu_buffer->tail_page = cpu_buffer->head_page; in simple_ring_buffer_reset()
412 cpu_buffer->tail_page = bpage + 1; in simple_ring_buffer_init_mm()
441 bpage->link.next = &cpu_buffer->tail_page->link; in simple_ring_buffer_init_mm()
442 cpu_buffer->tail_page->link.prev = &bpage->link; in simple_ring_buffer_init_mm()
H A Dring_buffer.c435 struct buffer_page *tail_page; member
496 struct buffer_page *tail_page; /* write to tail */ member
640 struct buffer_page *tail_page = READ_ONCE(cpu_buffer->tail_page); in verify_event() local
649 if (page == tail_page || WARN_ON_ONCE(stop++ > 100)) in verify_event()
717 return rb_fix_abs_ts(ts, cpu_buffer->tail_page->page->time_stamp); in ring_buffer_event_time_stamp()
1432 struct buffer_page *tail_page, in rb_tail_page_update() argument
1461 if (tail_page == READ_ONCE(cpu_buffer->tail_page)) { in rb_tail_page_update()
1487 if (try_cmpxchg(&cpu_buffer->tail_page, &tail_page, next_page)) in rb_tail_page_update()
1919 if (head_page == cpu_buffer->tail_page) in rb_meta_validate_events()
1926 if (head_page == cpu_buffer->tail_page) in rb_meta_validate_events()
[all …]
/linux/Documentation/trace/
H A Dring-buffer-design.rst46 tail_page
113 The head_page, tail_page and commit_page are all initialized to point
710 temp_page = tail_page
712 cmpxchg(tail_page, temp_page, next_page)